Portable lamp



FIG. 1 is a front perspective view from above and one side;

FIG. 2 is a view of other side;

FIG. 3 is a rear view;

FIG. 4 is an underneath plan view;

FIG. 5 is a front perspective view from above and one side in openposition; and,

FIG. 6 is a rear perspective view from above and other side in openposition.

The ornamental design for a portable lamp, as shown and described. 